CN209310031U - A kind of low-calorific-value gas turbine burner arrangement - Google Patents
A kind of low-calorific-value gas turbine burner arrangement Download PDFInfo
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- CN209310031U CN209310031U CN201821812802.2U CN201821812802U CN209310031U CN 209310031 U CN209310031 U CN 209310031U CN 201821812802 U CN201821812802 U CN 201821812802U CN 209310031 U CN209310031 U CN 209310031U
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- main body
- burner
- burner main
- gas turbine
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Abstract
The utility model discloses a kind of low-calorific-value gas turbine burner arrangements, including burner main body and extension cone nozzle, extension cone nozzle is vertical setting in the top center position of burner main body, and the bottom end of extension cone nozzle fits closely and fixes with burner body top edge, the side of burner main body is equipped with external screw thread, external screw thread is fitted closely and is fixed with burner main body, the inside of burner main body is equipped with the swirl vane being equally spaced, swirl vane is circumferentially positioned at the inner sidewall of burner main body, and it is welded with burner main body, the side of burner main body is equipped with equally distributed dilution holes, dilution holes are circumferentially positioned at the top edge position of burner main body, dilution bore dia is 8mm, in terms of nozzle structure transformation, the radial mixing of transverse jet is influenced by reducing dilution bore dia, burning problems are overheated with avoidable burner, burner makes It is long with the service life, enhance gas turbine operation stability the advantages that.
Description
Technical field
The utility model relates to gas turbine burner arrangement technical fields, are especially a kind of low-calorific-value gas turbine burner
Device.
Background technique
Gas turbine is gas continuously to flow as working medium impeller high speed rotation, is to have by the energy conversion of fuel
Diligent internal combustion type dynamic power machine is a kind of rotary vane type Thermal Motor.
It is found by retrieval, the utility model of patent No. CN205897221U discloses a kind of " hydrogen-rich combustion gas turbine burner
It is logical that combustion gas is formed between the burner inner wall that structure ", the liquid fuel passage including middle part, liquid fuel passage and its outside are equipped with
Air duct is formed between the burner outer wall that road, burner inner wall and its outside are equipped with, air duct is installed in air duct and is led
Flow formula cyclone is equipped with blast tube flow deflector cyclone, air duct water conservancy diversion chip cyclone, combustion gas in blast tube
Stable flame hole is provided on burner inner wall below the flow deflector cyclone of channel.The problem of can avoid burner overheat scaling loss, improves the burner longevity
Life enhances gas turbine operation stability.
However, the analysis found that, existing low-calorific-value gas turbine burner arrangement has the following disadvantages；First, can not
Burner is avoided to overheat burning problems, second, burner service life is short；Third, gas turbine operation stability can not be enhanced.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of low-calorific-value gas turbine burner arrangement herein, tool
There is the advantages that avoidable burner overheat burning problems, burner long service life, enhancing gas turbine operation stability.
The utility model is realized in this way construct a kind of low-calorific-value gas turbine burner arrangement, including burner main body and
Extension cone nozzle, extension cone nozzle are vertical setting in the top center position of burner main body, and extend the bottom end of cone nozzle with
Burner body top edge is fitted closely and is fixed, and the side of burner main body is equipped with external screw thread, and external screw thread and burner main body are close
It posts and fixes, the inside of burner main body is equipped with the swirl vane being equally spaced, and swirl vane is circumferentially positioned at burner main body
Inner sidewall, and welded with burner main body, the side of burner main body is equipped with equally distributed dilution holes, and dilution holes are circumferentially positioned at burning
The top edge position of mouth main body.
Further, dilution bore dia is 8mm, in terms of nozzle structure transformation, is influenced by reducing dilution bore dia
The radial mixing of transverse jet, to improve combustion stability and avoid hot-spot.
Further, external screw thread is left hand thread, and material 16Mo3 by burner arrangement and is fired by the external screw thread of setting
Gas-turbine connection, is convenient for connection and leakproofness is extremely strong.
Further, swirl vane number is 15, material Q245R, and the material of extension cone nozzle is GH80A, outlet
Diameter is 136mm, and hot spot focuses primarily upon near dilution holes, use GH80A material be using nickel-chrome as matrix, addition aluminium,
Titanium forms γ phase Mi Sanqianghuashi high temperature alloy, has good creep-resistant property at 650-800 DEG C.
The utility model provides a kind of low-calorific-value gas turbine burner arrangement by improving herein, with existing fuel gas with low heat value
Turbine burner arrangement is compared, and having the advantages that, there is avoidable burner to overheat burning problems, burner long service life, enhancing
The advantages that gas turbine operation stability, embodies are as follows:
Advantage 1: dilution bore dia is 8mm, in terms of nozzle structure transformation, influences transverse direction by reducing dilution bore dia
The radial mixing of jet stream, to improve combustion stability and avoid hot-spot.
Advantage 2: external screw thread is left hand thread, material 16Mo3, by the external screw thread of setting by burner arrangement and combustion gas wheel
Machine connection, is convenient for connection and leakproofness is extremely strong.
Advantage 3: swirl vane number is 15, material Q245R, and the material of extension cone nozzle is GH80A, outlet diameter
For 136mm, hot spot is focused primarily upon near dilution holes, and using GH80A material is to add aluminium, titanium shape using nickel-chrome as matrix
At γ phase Mi Sanqianghuashi high temperature alloy, there is good creep-resistant property at 650-800 DEG C.
Detailed description of the invention
Fig. 1 is the utility model low-calorific-value gas turbine burner arrangement structural schematic diagram.
Serial number as shown in the figure: burner main body 1, swirl vane 2, external screw thread 3, dilution holes 4 and extension cone nozzle 5.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1, to the technical side in the utility model embodiment
Case is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, fall within the protection scope of the utility model.In addition, term " first ", " the
Two ", " third ", "upper", "lower", "left", "right" etc. are used for description purposes only, and are not understood to indicate or imply relatively important
Property.Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；It can be mechanical connection,
It can be electric connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The utility model provides a kind of low-calorific-value gas turbine burner arrangement by improving herein, as shown in Figure 1, can be by
It is practiced according to such as under type；Including burner main body 1 and extension cone nozzle 5, extension cone nozzle 5 is vertical setting in burner main body
1 top center position, and the bottom end for extending cone nozzle 5 fits closely and fixes with 1 top edge of burner main body, burner master
The side of body 1 is equipped with external screw thread 3, and external screw thread 3 is fitted closely and fixed with burner main body 1, and the inside of burner main body 1 is equipped with etc.
Swirl vane 2 away from distribution, swirl vane 2 is circumferentially positioned at the inner sidewall of burner main body 1, and welds with burner main body 1, burner
The side of main body 1 is equipped with equally distributed dilution holes 4, and dilution holes 4 are circumferentially positioned at the top edge position of burner main body 1.
4 diameter of dilution holes is 8mm, in terms of nozzle structure transformation, influences transverse jet by reducing dilution bore dia
Radial mixing, to improve combustion stability and avoid hot-spot.
External screw thread 3 is left hand thread, and material 16Mo3 is connected burner arrangement and gas turbine by the external screw thread 3 of setting
It connects, is convenient for connection and leakproofness is extremely strong.
2 numbers of swirl vane are 15, material Q245R, and the material of extension cone nozzle 5 is GH80A, and outlet diameter is
136mm, hot spot focus primarily upon near dilution holes 4, and using GH80A material is to add aluminium, titanium shape using nickel-chrome as matrix
At γ phase Mi Sanqianghuashi high temperature alloy, there is good creep-resistant property at 650-800 DEG C.
A kind of working principle of low-calorific-value gas turbine burner arrangement: firstly, staff is by this kind of fuel gas with low heat value wheel
Machine burner arrangement is connect by external screw thread 3 with gas turbine, and combustion gas is sprayed from 1 bottom of burner main body by extension cone nozzle 5,
The internal combustion Indoor Combustion of gas turbine, it will be clear that this kind of low-calorific-value gas turbine burner arrangement has swirl vane
2, external dilution hole 4 and the burner noz(zle) for extending conical nozzle, the extension of this structure bore nozzle 5 compared with outer mix nozzle, energy
The mixed effect of synthesis gas and air is enough significantly improved, the length of flame is shortened, the generation of sediment and flameholding is prevented, is burning
Mouth structure transformation aspect influences the radial of transverse jet by reducing 4 diameter of dilution holes and mixes, to improve combustion stability
With avoid hot-spot；Meanwhile increasing burner outlet diameter to compensate the reduction of axial momentum, in terms of improving burner material,
Using material more resistant to high temperature, the service life of Lai Tigao burner.
Embodiment
Gas turbine burner and the mutually coordinated matching of the other components of burner, are just able to satisfy complete machine working performance, this will
It asks the extension of gas turbine cyclone to bore spout, has between hickey and each swirl vane intrados place cylindrical surface higher
Concentricity；In order to ensure synthesis gas after cyclone by can axially be uniformly distributed it is necessary to the circumferential direction of each spinning disk of strict control
Distribution；Cyclone overall structure is heterogeneous material weld assembly, and work is in high temperature and high pressure environment, so to its weld seam matter
Amount is it is also proposed that high requirement.
Spinning disk processing.In the process of gas turbine burner cyclone, the processing of spinning disk is a comparison
Difficult link.Because spinning disk entity is to be made of multiple curved surfaces, while there are also very high requirements to the surface quality of spinning disk.
Then 5-shaft linkage numerical control machine tool system is used to solve spinning disk processing problems.
Concentricity control.To guarantee that the concentricity of spout and hickey is bored in the extension of cyclone, " roughing-is used
The procedure of processing of welding-finishing " is realized.
Welding quality control.According to material property, hand tungsten argon arc welding is taken, convenient for observing the deposition situation in molten bath,
Eliminate concave defect and control heat input in the back side.Pay attention to following details simultaneously: machine-tooled method processes welding groove, groove
Surface thoroughly purifies；Using low current multilayer welding, weld interpass temperature is controlled, is not more than 150 DEG C；Gas shield is tight.
To sum up；The utility model low-calorific-value gas turbine burner arrangement, with existing low-calorific-value gas turbine burner arrangement phase
Than having the advantages that avoidable burner overheat burning problems, burner long service life, enhancing gas turbine operation stability.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (4)
1. a kind of low-calorific-value gas turbine burner arrangement, including burner main body (1) and extension cone nozzle (5), it is characterised in that: institute
Extension cone nozzle (5) is stated to be vertical setting in the top center position of burner main body (1), and the bottom of extension cone nozzle (5)
End fits closely and fixes with burner main body (1) top edge, and the side of the burner main body (1) is equipped with external screw thread (3), described
External screw thread (3) is fitted closely and is fixed with burner main body (1), and the inside of the burner main body (1) is equipped with the eddy flow being equally spaced
Blade (2), the swirl vane (2) is circumferentially positioned at the inner sidewall of burner main body (1), and welds with burner main body (1), described
The side of burner main body (1) is equipped with equally distributed dilution holes (4), and the dilution holes (4) are circumferentially positioned at burner main body (1)
Top edge position.
2. a kind of low-calorific-value gas turbine burner arrangement according to claim 1, it is characterised in that: the dilution holes (4) are straight
Diameter is 8mm.
3. a kind of low-calorific-value gas turbine burner arrangement according to claim 1, it is characterised in that: the external screw thread (3) is
Left hand thread, material 16Mo3.
4. a kind of low-calorific-value gas turbine burner arrangement according to claim 1, it is characterised in that: the swirl vane (2)
Number is 15, and material Q245R, the material of extension cone nozzle (5) is GH80A, outlet diameter 136mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812802.2U CN209310031U (en) | 2018-11-05 | 2018-11-05 | A kind of low-calorific-value gas turbine burner arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812802.2U CN209310031U (en) | 2018-11-05 | 2018-11-05 | A kind of low-calorific-value gas turbine burner arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310031U true CN209310031U (en) | 2019-08-27 |
Family
ID=67672383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821812802.2U Active CN209310031U (en) | 2018-11-05 | 2018-11-05 | A kind of low-calorific-value gas turbine burner arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310031U (en) |
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2018
- 2018-11-05 CN CN201821812802.2U patent/CN209310031U/en active Active
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